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drm/amd/display: add dmcub support check

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[Why & How]
For DCN harvest case, if there is no dmcub support, we should return false
to avoid bugcheck later.

Reviewed-by: Aric Cyr <aric.cyr@amd.com>
Signed-off-by: Jerry Zuo <jerry.zuo@amd.com>
Signed-off-by: Fudongwang <fudong.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Fudongwang 2024-07-01 16:47:28 +08:00 committed by Alex Deucher
parent 6d64d39486
commit 323b19f424
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/amd/display/dc/core/dc.c
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@ -5574,6 +5574,9 @@ void dc_mclk_switch_using_fw_based_vblank_stretch_shut_down(struct dc *dc)
*/
bool dc_is_dmub_outbox_supported(struct dc *dc)
{
if (!dc->caps.dmcub_support)
return false;
switch (dc->ctx->asic_id.chip_family) {
case FAMILY_YELLOW_CARP: